Add: support for detecting .f and .F files

fpm/src/fpm.f90

@@ -1,5 +1,5 @@
 module fpm
-use fpm_strings, only: string_t, str_ends_with, operator(.in.)
+use fpm_strings, only: string_t, operator(.in.)
 use fpm_backend, only: build_package
 use fpm_command_line, only: fpm_build_settings, fpm_new_settings, &
                       fpm_run_settings, fpm_install_settings, fpm_test_settings

fpm/src/fpm_sources.f90

@@ -15,6 +15,9 @@ module fpm_sources
 private
 public :: add_sources_from_dir, add_executable_sources
 
+character(4), parameter :: fortran_suffixes(2) = [".f90", &
+                                                  ".f  "]
+
 contains
 
 !> Wrapper to source parsing routines.
@@ -24,16 +27,15 @@ function parse_source(source_file_path,error) result(source)
     type(error_t), allocatable, intent(out) :: error
     type(srcfile_t)  :: source
 
-    if (str_ends_with(lower(source_file_path), ".f90")) then
+    if (str_ends_with(lower(source_file_path), fortran_suffixes)) then
 
         source = parse_f_source(source_file_path, error)
 
         if (source%unit_type == FPM_UNIT_PROGRAM) then
             source%exe_name = basename(source_file_path,suffix=.false.)
         end if
 
-    else if (str_ends_with(lower(source_file_path), ".c") .or. &
-        str_ends_with(lower(source_file_path), ".h")) then
+    else if (str_ends_with(lower(source_file_path), [".c", ".h"])) then
 
         source = parse_c_source(source_file_path,error)
 
@@ -80,9 +82,8 @@ subroutine add_sources_from_dir(sources,directory,scope,with_executables,recurse
     end if
 
     is_source = [(.not.(canon_path(file_names(i)%s) .in. existing_src_files) .and. &
-                  (str_ends_with(lower(file_names(i)%s), ".f90") .or. &
-                   str_ends_with(lower(file_names(i)%s), ".c") .or. &
-                   str_ends_with(lower(file_names(i)%s), ".h") ),i=1,size(file_names))]
+                  (str_ends_with(lower(file_names(i)%s), fortran_suffixes) .or. &
+                   str_ends_with(lower(file_names(i)%s),[".c",".h"]) ),i=1,size(file_names))]
     src_file_names = pack(file_names,is_source)
 
     allocate(dir_sources(size(src_file_names)))

fpm/src/fpm_strings.f90

@@ -19,9 +19,14 @@ module fpm_strings
     procedure :: fnv_1a_string_t
 end interface fnv_1a
 
+interface str_ends_with
+    procedure :: str_ends_with_str
+    procedure :: str_ends_with_any
+end interface str_ends_with
+
 contains
 
-logical function str_ends_with(s, e) result(r)
+pure logical function str_ends_with_str(s, e) result(r)
     character(*), intent(in) :: s, e
     integer :: n1, n2
     n1 = len(s)-len(e)+1
@@ -31,7 +36,23 @@ logical function str_ends_with(s, e) result(r)
     else
         r = (s(n1:n2) == e)
     end if
-end function str_ends_with
+end function str_ends_with_str
+
+pure logical function str_ends_with_any(s, e) result(r)
+    character(*), intent(in) :: s
+    character(*), intent(in) :: e(:)
+
+    integer :: i
+
+    r = .true.
+    do i=1,size(e)
+
+        if (str_ends_with(s,trim(e(i)))) return
+
+    end do
+    r = .false.
+
+end function str_ends_with_any
 
 function f_string(c_string)
     use iso_c_binding